Description
Class B61D : BODY DETAILS OR KINDS OF RAILWAY VEHICLES
Subclass 7/00: Hopper cars (flat-bottomed cars convertible into hoppers B61D 3/06)
B61D 7/00
Sub-Class
Stats
- 55 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 21 Total Patent Owners
- 203 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12202529 | Cover assemblies for railroad cars | Dec 23, 21 | Jan 21, 25 | Gunderson LLC |
| 12168466 | Open top gondola railcars | Sep 16, 21 | Dec 17, 24 | Gunderson LLC |
| 12054183 | Open top gondola railcar | Sep 11, 20 | Aug 06, 24 | JAC Operations, Inc. |
| 11975747 | Bridge crane apparatus for opening and closing railcar lids | Mar 28, 22 | May 07, 24 | RayHawk Technologies Inc. |
| 11760393 | Gasket for hatch cover assembly of a rail car | Jul 23, 20 | Sep 19, 23 | AMSTED RAIL COMPANY, INC. |
| 11702115 | Reinforced railcar side stake | Aug 10, 20 | Jul 18, 23 | JAC Operations, Inc. |
| 11577762 | Open top hopper railcar with lading shedding top chord and corner cap and integrated door operating controls with manual override | Jun 22, 20 | Feb 14, 23 | FREIGHTCAR AMERICA, INC. |
| 11548536 | Railroad car vented hatch cover assembly including a replaceable combined vented hatch cover protector and gasket | Apr 10, 19 | Jan 10, 23 | Transportation IP Holdings, LLC |
| 11505220 | Automatic hatch cover for a container and methods of operation thereof | Jul 20, 22 | Nov 22, 22 | Not available |
| 11400911 | Enhanced railway equipment and related integrated systems | Jun 18, 19 | Aug 02, 22 | DAVANAC INC. |
| 10773735 | Rapid discharge door locking system | Jul 14, 17 | Sep 15, 20 | Trinity Rail Group, LLC |
| 10737705 | Reinforced railcar side stake | Sep 26, 17 | Aug 11, 20 | JAC Operations, Inc. |
| 10717451 | Aggregate train and methods of loading and unloading | Apr 02, 19 | Jul 21, 20 | Georgetown Rail Equipment Company |
| 10363917 | Enhanced railway equipment and related integrated systems | Dec 14, 17 | Jul 30, 19 | DAVANAC INC. |
| 10286929 | Aggregate train and methods of loading and unloading | Jun 08, 17 | May 14, 19 | Georgetown Rail Equipment Company |
| 10189485 | Equipment envelope for hopper wagon | Feb 18, 14 | Jan 29, 19 | Drax Power Limited |
| 10189486 | Railcar with nested sliding gates | Jan 13, 17 | Jan 29, 19 | TRINITY NORTH AMERICAN FREIGHT CAR, INC. |
| 10053118 | Sidewall structure of hopper car | Nov 06, 14 | Aug 21, 18 | CRRC Yangtze Corporation Limited |
| 10035521 | Covered hopper railcar for carrying flowable materials | Jan 14, 15 | Jul 31, 18 | American Railcar Industries Inc. |
| 10029707 | Baffle | Feb 18, 14 | Jul 24, 18 | Drax Power Limited |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0085,156 | LOADING GRANULATED METALLIC UNITS INTO RAILCARS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS | Sep 11, 24 | Mar 13, 25 | Not available |
| 2024/0391,507 | OPEN TOP GONDOLA RAILCAR | Aug 06, 24 | Nov 28, 24 | Not available |
| 2023/0399,031 | RAIL CAR MODULARIZED MODIFICATION PROGRAMS ALTERING THE NATURE OF THE CENTER SILL IN THE MODIFIED RAILCAR AND THE MODIFIED RAILCARS FORMED THEREBY | Jun 09, 23 | Dec 14, 23 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 26 Months (last 2 years Issuances)
- 26 Months (last 5 years Issuances)